Melt oleo in skillet; add ground meat.,Break up as you fry. Sprinkle garlic salt, pepper and salt.,Just before done, add green pepper, onions and mushrooms.,Cook noodles and drain. Spray casserole dish with Pam.,In bottom of bowl, spread 1 tablespoon sauce.,Add about 3 tablespoons meat mixture; put 1 cup noodles.,Repeat this twice more.,______,Cover and bake in 375° oven until cheese is hot and melted.